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Vista i34 User Manual

Integrated tube amplifier
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a brand of ENG Vista, Inc.
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Rev. 4

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Summary of Contents for Vista i34

  • Page 1 ENG Vista, Inc. ’ ’ http://www.vista-audio.com/ Rev. 4...

  • Page 2: Table Of Contents

    Dear Customer model i34 We at ENG Vista want to take this opportunity to thank you for purchasing the Integrated Tube Amplifier. The people that stand behind your amplifier draw on more than a decade of professional electronics design and manufacturing experience. We are committed to providing our customers with the high quality sound at affordable prices.

  • Page 3: Safety Precautions

    SAFETY PRECAUTIONS IMPORTANT SAFEGUARDS PLEASE READ CAREFULLY ALL THE FOLLOWING IMPORTANT SAFEGUARDS THAT ARE APPLICABLE TO YOUR EQUIPMENT CAUTION! TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE SCREWS. NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
  • Page 4 (after 24-36 months). This will ensure that the amplifier always performs at its best and tube failure will not overstress other parts. model i34 3) Biasing the amplifier - The amplifier uses tubes in fixed bias configuration. The amplifier is delivered with adjusted bias.

  • Page 5: Getting Started

    Carefully align the pins with the socket and gently insert the tube. Never force a tube into a socket. Should you decide to buy replacement tubes from Vista Audio, rest assured that they were fully tested before the shipment.

  • Page 6: Accessories

    E34L E34L E34L E34L ECC832 ECC832 model i34 model i34 Figure 1: tube layout Never use excessive force when inserting the tubes into their socket. Controls and Their Functions Front Panel Selector Switch – The three position selector switch can be u sed to select the active audio source.

  • Page 7: Tube Replacement

    8 ohms 4 ohms R ch. L ch. ohms model i34 4 ohms 8 ohms model i34 Figure 2: speakers connection NOTE: 4 ohms and 8 ohms speakers cannot be connected to the speaker terminals at the same time! Figure 2 is for illustration purpose only.

  • Page 8: Biasing Output Tubes

    Carefully align the pins with the socket and gently insert the new tube. Never force a tube into a socket. Should you decide to buy replacement tubes from Vista Audio, rest assured that they were fully tested before the shipment.

  • Page 9: Servicing

    Servicing should be left only to authorized and trained personnel. We thank you for your confidence in Vista-Audio products. Our equipment has been carefully assembled by highly skilled engineers and technicians. It will give you...

  • Page 10: Technical Specifications

    Technical Specifications: Integrated tube amplifier Maximum output power: 35W Class of operation: AB THD: 0.3% max (1W/1kHz) Bandwidth: 15Hz-35kHz Input sensitivity: 0.6Vrms Input impedance: 50 kohm Output (speaker) impedance: 4 and 8 ohms Tubes: 2 x ECC832, 4 x E34L Input Voltage: 120V, 60Hz (230V, 50Hz available) Maximum input current: 2A at 120V Weight: 24 lbs...

  • Page 11: Limited Warranty

    DEFECTIVE PRODUCT AND SHALL IN NO EVENT INCLUDE INCIDENTAL OR CONSEQUENTIAL COMMERCIAL OR PROPERTY DAMAGES OF ANY KIND. WE ARE NOT RESPONSIBLE FOR PRODUCTS LOST, STOLEN AND/OR DAMAGED DURING SHIPPING. This warranty may not be altered other than in writing signed by an officer of Vista-Audio or ENG Vista, Inc.

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